| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Life Span: Human Development for Helping Professionals | 978-0-13-170684-2 (0-13-170684-5) | 2005 | Pamela Blewitt |
| The Life Span: Human Development for Helping Professionals | 978-0-13-014425-6 (0-13-014425-8) | 2002 | " |